1## Here we test how the --stackmap option can be used to dump .llvm_stackmaps sections. 2 3## Check we are able to dump an empty .llvm_stackmaps section. Document that 4## we are only trying to dump the first stack map section and ignore others if any. 5 6# RUN: yaml2obj %s -o %t 7# RUN: llvm-readobj %t --stackmap 2>&1 | \ 8# RUN: FileCheck %s --check-prefix=EMPTY --implicit-check-not=warning: 9# RUN: llvm-readelf %t --stackmap 2>&1 | \ 10# RUN: FileCheck %s --check-prefix=EMPTY --implicit-check-not=warning: 11 12# EMPTY: LLVM StackMap Version: 3 13# EMPTY-NEXT: Num Functions: 0 14# EMPTY-NEXT: Num Constants: 0 15# EMPTY-NEXT: Num Records: 0 16# EMPTY-NOT: {{.}} 17 18--- !ELF 19FileHeader: 20 Class: ELFCLASS64 21 Data: ELFDATA2LSB 22 Type: ET_REL 23Sections: 24 - Name: [[NAME=.llvm_stackmaps]] 25 Type: SHT_PROGBITS 26 ContentArray: [ [[VERSION=0x3]] ] 27 Size: [[SIZE=16]] 28 ShSize: [[SHSIZE=<none>]] 29 ShOffset: [[SHOFFSET=<none>]] 30## An arbitrary second broken .llvm_stackmaps section. 31 - Name: .llvm_stackmaps (1) 32 Type: SHT_PROGBITS 33 ContentArray: [ 0xFF ] 34 Size: 0x1 35 36## Hide the first stack map section to allow dumpers to locate and validate the second one, which is broken. 37## Check we are able to find it and report a warning properly. 38 39# RUN: yaml2obj %s -DNAME=.foo -o %t.second 40# RUN: llvm-readobj %t.second --stackmap 2>&1 | \ 41# RUN: FileCheck %s --check-prefix=SECOND -DFILE=%t.second --implicit-check-not=warning: 42# RUN: llvm-readelf %t.second --stackmap 2>&1 | \ 43# RUN: FileCheck %s --check-prefix=SECOND -DFILE=%t.second --implicit-check-not=warning: 44 45# SECOND: warning: '[[FILE]]': unable to read the stack map from SHT_PROGBITS section with index 2: the stack map section size (1) is less than the minimum possible size of its header (16) 46 47## Check we report a warning when the size of the .llvm_stackmaps section is less 48## than the minimum possible size of its header. 49 50# RUN: yaml2obj %s -DSHSIZE=0 -o %t.trunc0 51# RUN: llvm-readobj %t.trunc0 --stackmap 2>&1 | FileCheck %s -DFILE=%t.trunc0 --check-prefix=TRUNC -DVAL=0 52# RUN: llvm-readelf %t.trunc0 --stackmap 2>&1 | FileCheck %s -DFILE=%t.trunc0 --check-prefix=TRUNC -DVAL=0 53 54# RUN: yaml2obj %s -DSIZE=1 -o %t.trunc1 55# RUN: llvm-readobj %t.trunc1 --stackmap 2>&1 | FileCheck %s -DFILE=%t.trunc1 --check-prefix=TRUNC -DVAL=1 56# RUN: llvm-readelf %t.trunc1 --stackmap 2>&1 | FileCheck %s -DFILE=%t.trunc1 --check-prefix=TRUNC -DVAL=1 57 58# RUN: yaml2obj %s -DSIZE=15 -o %t.trunc15 59# RUN: llvm-readobj %t.trunc15 --stackmap 2>&1 | FileCheck %s -DFILE=%t.trunc15 --check-prefix=TRUNC -DVAL=15 60# RUN: llvm-readelf %t.trunc15 --stackmap 2>&1 | FileCheck %s -DFILE=%t.trunc15 --check-prefix=TRUNC -DVAL=15 61 62# TRUNC: warning: '[[FILE]]': unable to read the stack map from SHT_PROGBITS section with index 1: the stack map section size ([[VAL]]) is less than the minimum possible size of its header (16) 63 64## Check that we report a warning when the version of the stack map section is not supported. 65 66# RUN: yaml2obj %s -DVERSION=2 -o %t.ver2 67# RUN: llvm-readobj %t.ver2 --stackmap 2>&1 | \ 68# RUN: FileCheck %s --check-prefix=VERSION -DFILE=%t.ver2 --implicit-check-not=warning: -DVERSION=2 69# RUN: llvm-readelf %t.ver2 --stackmap 2>&1 | \ 70# RUN: FileCheck %s --check-prefix=VERSION -DFILE=%t.ver2 --implicit-check-not=warning: -DVERSION=2 71 72# RUN: yaml2obj %s -DVERSION=4 -o %t.ver4 73# RUN: llvm-readobj %t.ver4 --stackmap 2>&1 | \ 74# RUN: FileCheck %s --check-prefix=VERSION -DFILE=%t.ver4 --implicit-check-not=warning: -DVERSION=4 75# RUN: llvm-readelf %t.ver4 --stackmap 2>&1 | \ 76# RUN: FileCheck %s --check-prefix=VERSION -DFILE=%t.ver4 --implicit-check-not=warning: -DVERSION=4 77 78# VERSION: warning: '[[FILE]]': unable to read the stack map from SHT_PROGBITS section with index 1: the version ([[VERSION]]) of the stack map section is unsupported, the supported version is 3 79 80## Check that we report a warning when we are unable to read the content of the stack map section. 81# RUN: yaml2obj %s -DSHOFFSET=0xffff -o %t.offset 82# RUN: llvm-readobj %t.offset --stackmap 2>&1 | FileCheck %s -DFILE=%t.offset --check-prefix=OFFSET 83# RUN: llvm-readelf %t.offset --stackmap 2>&1 | FileCheck %s -DFILE=%t.offset --check-prefix=OFFSET 84 85# OFFSET: warning: '[[FILE]]': unable to read the stack map from SHT_PROGBITS section with index 1: section [index 1] has a sh_offset (0xffff) + sh_size (0x10) that is greater than the file size (0x1b8) 86